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Sealed pick receipt

Sealed Pick #1461

Marta Kostyuk to winLOST

WTAGame date 2026-10-21

Marta Kostyuk vs Ekaterina Alexandrova prediction

What was sealed

Price
-145at Hard Rock
Confidence
65%
Stake
1 unit
Front page
Yes, a Best Bet

These values are inside the seal. The check below opens it from the chain so you can compare them.

Timeline

  1. LockedOct 21, 3:00 AM ETPick and price frozen2026-10-21T07:00:00.000Z
  2. On chainOct 21, 3:00 AM ETslot 45953798516 s after it locked2026-10-21T07:00:16.000Z
  3. Game startOct 21, 7:00 AM ETSealed 3 h 59 min before the start2026-10-21T11:00:00.000Z
  4. Open keyOct 22, 5:33 AM ETAnyone can open the seal2026-10-22T09:33:13.000Z

Proof on chain

Network
Solana mainnet
Transaction
5pjfWDHgYFB4wB1ptD1Zos8oVyX9Va3QXRCF2ZWg1bCvA8CG3imdVzMdvGsnx4bunpA5E9LBGS9fjwed9KhNecxMexplorer.solana.com
Slot
459537985block time 2026-10-21T07:00:16.000Z
Sealed by
AGATHAhqdW1ojytKypnrm1phNNNXUwNGBXQRovYHaoFNThe Agatha address: it pays for and signs every sealexplorer.solana.com
Fingerprint
6a27928325f1b079537734a1dc234c0dee65ac4b780e48f31d336fbdb141a33cSHA-256 of the sealed record
Open key
2c7354dd819e4624a514c72eb6a0a81018ebb6325af73958487b8493ade1815eReleased Oct 22, 5:33 AM ETkey memo

Check it yourself

  1. Ask Tatum for the transaction, straight from this browser
  2. Confirm the Agatha address paid for and signed it
  3. Read its memo: the pick number, the game date and the fingerprint
  4. Compare the block time with the game start
  5. Open the sealed bytes with the day key
  6. Check that the SHA-256 of the opened record equals the fingerprint

Verify with AI copies a short prompt for any AI assistant: it checks the seal's time and address on Solana and the result, and runs the full check if you ask. Check it by hand, step by step

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